$ query “AS33489” --type=asn → 1 result(s)

AS33489 · COMCAST-33489

Comcast Cable Communications LLC

AS33489 belongs to Comcast Cable Communications LLC and is a mid-size transit provider, established in the United States in 2004. The system announces 2 560 IPv4 addresses, and supports IPv6. The bulk of its IP address space is in the United States. This AS's prefix announcements have been recently modified.

Basic Information

Country
🇺🇸 United States
Category
Internet Service Provider
Network Role
Mid-size Transit
Data Origin
Authoritative — Metadata from authoritative RIR registry (ARIN, RIPE, APNIC, etc.)
Registered
December 30, 2004
Last Changed
March 04, 2026
Last Seen
June 26, 2026 (active)

Prefix Summary

IPv4 Prefixes (raw / aggregated)
10 / 10
IPv6 Prefixes (raw / aggregated)
34 / 34
IPv4 Addresses
2 560
Largest IPv4 Prefix
/24 (256 addresses)
Largest IPv6 Prefix
/48
Geolocated Countries
🇺🇸 United States (2 560 IPs)
Prefix Changed
June 27, 2026

Reputation

Reputation
Pristine — 0 flagged IPs

Connectivity Summary

Upstream Providers
2 upstreams providing transit
Peers
1 network exchanging traffic without transit
Downstream Customers
22 downstreams buying transit
Degree
25 unique BGP neighbors
Reach
22 networks in customer cone

Upstream Providers (2)

  • AS3356 — LEVEL3 (Tier-1 transit)
  • AS7922 — COMCAST-7922

Prefix Lists

IPv4 Prefixes (10 total)

  • 50.200.193.0/24 (256 addresses (/24 prefix))
  • 50.201.41.0/24 (256 addresses (/24 prefix))
  • 50.202.221.0/24 (256 addresses (/24 prefix))
  • 50.205.34.0/24 (256 addresses (/24 prefix))
  • 50.227.73.0/24 (256 addresses (/24 prefix))
  • 50.230.87.0/24 (256 addresses (/24 prefix))
  • 50.238.249.0/24 (256 addresses (/24 prefix))
  • 198.204.31.0/24 (256 addresses (/24 prefix))
  • 209.12.49.0/24 (256 addresses (/24 prefix))
  • 216.85.81.0/24 (256 addresses (/24 prefix))

IPv6 Prefixes (34 total)

  • 2001:559:ac::/48
  • 2001:559:164::/48
  • 2001:559:1eb::/48
  • 2001:559:1ec::/48
  • 2001:559:28b::/48
  • 2001:559:307::/48
  • 2001:559:36e::/48
  • 2001:559:3d0::/48
  • 2001:559:3e8::/48
  • 2001:559:430::/48
  • 2001:559:456::/48
  • 2001:559:47f::/48
  • 2001:559:4f8::/48
  • 2001:559:79f::/48
  • 2001:559:7f2::/48
  • 2001:559:80fa::/48
  • 2001:559:84c1::/48
  • 2001:559:84ed::/48
  • 2001:559:8651::/48
  • 2001:559:8795::/48
  • 2001:559:87da::/48
  • 2001:559:c0d9::/48
  • 2001:559:c0e2::/48
  • 2001:559:c115::/48
  • 2001:559:c127::/48
  • 2001:559:c168::/48
  • 2001:559:c16c::/48
  • 2001:559:c193::/48
  • 2001:559:c1af::/48
  • 2001:559:c1bf::/48
  • 2001:559:c3ca::/48
  • 2001:559:c47a::/48
  • 2001:559:c4f3::/48
  • 2001:559:c544::/48